Brown, William "Modular programming in PL/M" pp40-46

(1978) Computer 11(3) (March 1978)  

Languages mentioned PL/M {1972} Programming Language/Microcomputers

Cites Burkowski, F. (1979) Burkowski, F. J., review of Brown (1978) Style: Full cite; Extent: Review; Nature: Positive, slightly critical